What is one difference between a variable and a constant?

What is wrong with this code? let totalAmount = 0.00let billAmount = 25.00totalAmount = totalAmount + billAmount

In the following declaration, the identifier called value1 is declared to be a Double through type annotation. let annotatedDouble = 20.0

In the primary source article “The Jacksonian Presidency, 1829-1837”, one saw everything from fancy carriages to men and women walking on foot to the inauguration of Andrew Jackson. 

When cleaning a horses sheath you find a hard rock like object in the pocket surrounding the tip of the urethra.  What is this called?

In the primary source article, “South Carolina Ordinance of Nullification, November 24, 1832”, South Carolina nullified and refused to follow a tariff/duty of foreign commodities and said it was null and void. 

In the primary source article, “Cherokee Nation v. Georgia”, Pres. Jackson refused to uphold the ruling by Chief Justice Marshall that Georgia had no rights to enforce state laws in its territory, thereby Pres. Jackson sent the US Army to round up the Cherokees. 

In the article, “Andrew Jackson’s War with the Bank of the United States”, did the U.S. need a National bank? Explain

In the primary source article, “South Carolina Ordinance of Nullifications, November 24, 1832”, The people of South Carolina would “absolve from any further obligation and proceed to organize a separate government, and all other acts and things which sovereign and independent States may of right do.” Meaning they were willing to pull out of the Union and have an independent state. 

In the article, “Andrew Jackson’s War with the Bank of the United States”, did the Bank, as operated by Biddle, have too much political and economic power?